However, the command can’t do that for one specific reason: Photoshop doesn’t know your monitor size, nor the resolution to which it’s set. Photoshop’s View> Print Size command purports to display an image on-screen at the actual print size. It’s that simple: Image resolution determines the size of each pixel when printed, and the number of pixels in the image determines the actual size of the image on the printed page. An image that’s 900 pixels wide and 1200 pixels high prints at a different size for each resolution. At 72 ppi, each pixel prints at 1/72nd of an inch. At 150 ppi, each printed pixel will be 1/150th of an inch. (Remember that the image consists of a set number of pixels.)Īt 300 ppi (pixels per inch), each of the image’s pixels will print at 1/300th of an inch square. –The size of the individual pixels determines the area on the printed page that the image will occupy. –Image resolution determines the size of each pixel on the printed page. –In Photoshop and on-screen, each pixel remains the same size, regardless of the image resolution. –In Photoshop, you work only with those pixels. (Multiply the width in pixels by the height in pixels to get the exact number.) –Each image consists of a given number of pixels. The actual content of the image file is unchanged when you change the resolution without checking the Image Size feature’s Resample box. Photoshop is still working exclusively with the pixel dimensions. Notice any difference in the image? Nope! None. (Prior to Photoshop 6, that area of the dialog box was more appropriately named “Print Size.”)ĭouble-click the Resolution field and enter a new value, any value, then click OK.
Note that the upper part of the dialog box is grayed out - any changes made will not alter the number of pixels in the image only the Document Size fields are available. Now open the Image> Image Size dialog box. In Photoshop’s Toolbox, double-click on the Zoom tool icon. There’s image resolution, printer resolution, monitor resolution, scanner resolution.and we won’t even mention your last New Year’s Resolution.
The term “resolution” crops up in a number of different ways. And Photoshop’s View> Print Size command? Ignore it completely. It’s a printing instruction about pixel size. Here’s a different way to consider the term “image resolution.” It’s nothing more than an instruction to a printing device about how large to replicate each pixel.
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